/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/ViewModels/Stack/NiagaraStackEventScriptItemGroup.h
This is a wrapper class used for the details customization in the stack, since the event script properties were moved from the emitter object into the version data struct.
[UCLASS](Programming/UnrealArchitecture/Reference/Classes#classdeclaration)(MinimalAPI) class UNiagaraStackEventWrapper : public [UObject](API\Runtime\CoreUObject\UObject\UObject)
FVersionedNiaga...
EmitterWeakPtr
TArray<FNiagar...
EventHandlerScriptProps